After a heavy snowfall blanketed a quiet neighborhood, everything looked picture-perfect—cars, sidewalks, trees, and rooftops all coated in white. Everything except one house. While surrounding homes steadily collected snow, this single rooftop remained completely bare, as if untouched by the storm. At first, neighbors brushed it off as a fluke, possibly caused by roof angle or sunlight. But as snowfall continued and the pattern repeated, curiosity quickly turned into concern. In winter, a snow-free roof can sometimes signal that excessive heat is escaping from inside a building. Residents began to wonder if there was an insulation problem, a malfunctioning heating...
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